Deviation (child language) ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Deviation (pathol.) ; Auditory brainstem implant; Elektrisch-akustische Stimulation; Electric-acoustic stimulation; Cochlear implant ; Taubheit; Deafness ; Speech intelligibility (pathol.) ; Net Auditory Distance; Speech intelligibility (phonet.) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English